何故 (Naze) is a Japanese adverb meaning “why, how, for what reason”.
Meanings
- adverbwhy; how; for what reason
Examples
本当？なぜ？
Do you? Why?
彼はなぜ休んだのかしら。
I wonder why he was absent.
彼女はなぜそうしたのですか。
What made her do so?
Sentences from Tatoeba (CC BY 2.0 FR).